by
Georg Fischer Piping Systems Ltd
The metal butterfly valve, Type 037, is available in four different versions:electric actuator, pneumatic actuator, handwheel, and lever.The housing is aluminum with a thick Rilsan coating all around, the disk is GGG 40 coated, stainless steel, or bronze, depending on the application. The seals are EPDM, FPM, NBR or silicon.